eng, L. a. W. D. D. (1971). Soils.
Chicago Style (17th ed.) Citationeng, Land and Water Development Div. Soils. 1971.
MLA (8th ed.) Citationeng, Land and Water Development Div. Soils. 1971.
IICA/CATIE Citationeng, L. a. W. D. D. 1971. Soils.
Warning: These citations may not always be 100% accurate.